Compare phones
| Global Score | |
| 76.1 | 94.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 13, 12, 11, 10 |
| 2020-06-29 | 2020-03-06 |
| 6.61 x 3.02 x 0.32 inches | 5.97 x 2.72 x 0.31 inches |
| 6.81 ounces | 5.78 ounces |
| Black | Cloud blue, Cloud pink, Cosmic grey and Cosmic white |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 6) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 1000.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 1600 x 720 pixels | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 270 pixels per inch | 566 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.9 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 865 SM8250 (7 nm) chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 12 GB RAM |
| PowerVR GE8320 GPU | Adreno 650 GPU |
| 9.27 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 9.84 | 15.38 |
| Camera | |
| 16.00 MP + 13.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.35 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S20 is a lot better than the Samsung Galaxy A21, getting a 94.8 score against 76.1. The Galaxy S20 is a a little thinner and somewhat lighter phone than the Samsung Galaxy A21, even when both were released only 4 months apart. Both devices we are comparing use Android OS, but Galaxy S20 has newer 13 version and Samsung Galaxy A21 has Android 10, so it gives some additional features and performance tweaks.
Galaxy S20 has a much better display than Galaxy A21, because although it has a little smaller display, it also counts with a much higher count of pixels per screen inch and a lot higher 1440 x 3200px resolution. The Galaxy S20 features a bit better CPU than Galaxy A21, and although they both have the same number of cores, the Galaxy S20 also has more RAM memory.
Galaxy S20 features much more memory to install applications and games than Galaxy A21, because it has an external memory card slot that holds up to 1000 GB and 128 GB internal storage. The Samsung Galaxy S20 counts with a superior camera than Samsung Galaxy A21, because although it has a much less mega pixels resolution camera, and they both have the same aperture, the Samsung Galaxy S20 also counts with a way better 7680x4320 video quality and a way larger sensor providing a much better image quality.
Samsung Galaxy S20 features a battery performance that is very similar to the battery performance in Samsung Galaxy A21.
Although Samsung Galaxy S20 is a better device, it costs a lot more than Samsung Galaxy A21, and it doesn't have such a good relation between it's price and quality as the Samsung Galaxy A21. So if you need that extra features and specs, you can buy the Samsung Galaxy S20, but if you don't you can save a couple dollars and get the Samsung Galaxy A21, letting go a couple specifications.
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